[6 pts] ACT, Inc. reported that 74% of 1644 randomly

Last updated: 7/10/2022

[6 pts] ACT, Inc. reported that 74% of 1644 randomly selected college freshmen returned to college the next year. a. Construct and interpret a 90% confidence interval to estimate the retention rate for college freshmen. b. They want a margin of error of 1%. How many college freshmen must be surveyed?